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I am running advance four, which seems to be great cruising, but I have tried six and it seems to really bring out the top end when you want to wined it.

Re: UFO Drag day It was me and no I haven't sold the VGAS yet.

Just a quick note. After dynoing today, I was infact lean with the smaller jets and now am back to the 160's ( probably need about a 155 ) Raised the clips two positions and adjusted the cables on both banks to be equal. Only made 121.3 HP with 81 torque. pretty pathetic for the cost of carbs.

That is where I am now. I tried to contact Jon, but as when I was trying to order, he will not respond to email or phone. He has number one the worst customer service of anyone I have ever met. Just having to deal with him is reason enough to buy from UFO. I am going to try to go to Topeka next...

It has done it on all of them all the way down to 125, so I am not sure where to go next. Any ideas ?

OK, went up two positions with the clips and put a full set of 160's back in along with moving the accel pump linkage. Now pulls like a jet all the way to the rev-limiter and you can whack it all you want up to that 3/4 throttle and it was pulling all the way up 145mph when I had to get out of...

Probably the cleanest plugs I have ever seen. All four slightly grey porcelain still white.

I just moved the accelerator linkage too.

Ya, I think that It has gotten worse with the smaller main jets. It wound out more with the stock carbs.

Needles are in the next to lowest slot, so one step from richest.

Few more questions for Shawn, from what I am gathering, you can't whack flat slides, so the WOT test is out at any speed, right ? I think that I read somewhere that you can normally kill the motor by doing that . You have ease into them, which when I do that it pulls pretty good and I really do...

You don't think I am going the wrong way do you ? rumming out of fule on the top and not going rich ?

How do you go about setting the sync ? everything I have read said to place a "SMALL DRILL BIT BELOW THE SLIDE AND ADJUST TO THAT: but I have not seen anywhere that said what size a "small" drill bit is.

I have new plugs, and all four seem to be chattering nicely ( idleing 1500rpm on the dot. I have yet to look at the clip position or idle screws, I was just trying to get the mains right first since they affect the needles too. there are one set of push pull cables per bank of two.

I have a 4 into 1 stainless that may be forsale soon.

http://www.windinyourface.net/markspipepage.htm

OK, I am now at 125 main's and still can't use the last 1/4 of the throttle, will not pull past 125. It falls on it's face when you twist past 3/4, even at lower speeds. I doesn't seem to make quite as much power down low either. Any ideas, anyone ? :bang head:

They are under $4 here. I just picked up 145's and ordered 130's and 140's

I pulled all four last night, I have three 160s and one 260, No wonder it was running like crap huh ? From what I have found so far, I have been told that one is running a 158 and Kloker has 130s so I think I will buy a set of 145s and see how it runs. From what I was told 41mm Vgas carbs...

Re: same old Vgas jetting questions :( I have 260 mains and it is running like crap, I was told I should go down to 258s but I can't find them anywhere, My local shop only goes to 225s and online I can not find any larger than 230s. Anyone else have any input ? Mains, needle clip positions ?